78761602
Nov 28, 2005
Mobile electronic system for monitoring residents to deter unauthorized exit from a confined area, locate individuals who have exited from confined areas, and detect when an individual has left a monitored area, comprised of a radio transmitter, electronic tags containing small transceivers, a mobile handheld computer, a radio transceiver integrated with handheld computer, an antenna, and computer software for monitoring and locating transmitters and transceivers, all sold as a unit
Electrical and Scientific Apparatus